Wall Street saw a bunch of downgrades including Microsoft, DR Horton, and KBR on Tuesday. Microsoft has been downgraded to 'neutral' at JPMorgan after a disappointing fourth-quarter earnings report. Analysts also slashed its price target to $47 a share, noting that the company is not cutting costs as quickly as expected. Homebuilder D.R. Horton was hit with a downgrade to 'neutral' from Citigroup. This after the stock soared above $24 a share following better-than-expected earnings a day earlier. Construction company KBR was downgraded to 'hold; with a $16 price target by Deutsche Bank on lower energy prices.